2009-05-02 05:04:19 -04:00
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#include "master.hpp"
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2009-05-04 02:46:13 -04:00
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namespace factor
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{
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2009-05-04 05:50:24 -04:00
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cell bignum_zero;
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cell bignum_pos_one;
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cell bignum_neg_one;
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2009-05-02 05:04:19 -04:00
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_to_fixnum)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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drepl(tag_fixnum(bignum_to_fixnum(untag<bignum>(dpeek()))));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(float_to_fixnum)
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2009-05-02 05:04:19 -04:00
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{
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drepl(tag_fixnum(float_to_fixnum(dpeek())));
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}
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/* Division can only overflow when we are dividing the most negative fixnum
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by -1. */
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(fixnum_divint)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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fixnum y = untag_fixnum(dpop()); \
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fixnum x = untag_fixnum(dpeek());
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fixnum result = x / y;
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2009-05-02 05:04:19 -04:00
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if(result == -FIXNUM_MIN)
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drepl(allot_integer(-FIXNUM_MIN));
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else
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drepl(tag_fixnum(result));
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(fixnum_divmod)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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cell y = ((cell *)ds)[0];
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cell x = ((cell *)ds)[-1];
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2009-05-02 05:04:19 -04:00
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if(y == tag_fixnum(-1) && x == tag_fixnum(FIXNUM_MIN))
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{
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2009-05-04 05:50:24 -04:00
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((cell *)ds)[-1] = allot_integer(-FIXNUM_MIN);
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((cell *)ds)[0] = tag_fixnum(0);
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2009-05-02 05:04:19 -04:00
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}
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else
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{
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2009-05-04 05:50:24 -04:00
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((cell *)ds)[-1] = tag_fixnum(untag_fixnum(x) / untag_fixnum(y));
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((cell *)ds)[0] = (fixnum)x % (fixnum)y;
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2009-05-02 05:04:19 -04:00
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}
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}
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/*
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* If we're shifting right by n bits, we won't overflow as long as none of the
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* high WORD_SIZE-TAG_BITS-n bits are set.
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*/
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#define SIGN_MASK(x) ((x) >> (WORD_SIZE - 1))
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#define BRANCHLESS_MAX(x,y) ((x) - (((x) - (y)) & SIGN_MASK((x) - (y))))
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#define BRANCHLESS_ABS(x) ((x ^ SIGN_MASK(x)) - SIGN_MASK(x))
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(fixnum_shift)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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fixnum y = untag_fixnum(dpop()); \
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fixnum x = untag_fixnum(dpeek());
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2009-05-02 05:04:19 -04:00
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if(x == 0)
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return;
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else if(y < 0)
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{
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y = BRANCHLESS_MAX(y,-WORD_SIZE + 1);
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drepl(tag_fixnum(x >> -y));
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return;
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}
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else if(y < WORD_SIZE - TAG_BITS)
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{
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2009-05-04 05:50:24 -04:00
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fixnum mask = -((fixnum)1 << (WORD_SIZE - 1 - TAG_BITS - y));
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2009-05-02 05:04:19 -04:00
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if(!(BRANCHLESS_ABS(x) & mask))
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{
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drepl(tag_fixnum(x << y));
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return;
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}
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}
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2009-05-04 05:50:24 -04:00
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drepl(tag<bignum>(bignum_arithmetic_shift(
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2009-05-02 05:04:19 -04:00
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fixnum_to_bignum(x),y)));
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(fixnum_to_bignum)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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drepl(tag<bignum>(fixnum_to_bignum(untag_fixnum(dpeek()))));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(float_to_bignum)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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drepl(tag<bignum>(float_to_bignum(dpeek())));
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2009-05-02 05:04:19 -04:00
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}
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#define POP_BIGNUMS(x,y) \
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2009-05-04 05:50:24 -04:00
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bignum * y = untag<bignum>(dpop()); \
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bignum * x = untag<bignum>(dpop());
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2009-05-02 05:04:19 -04:00
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_eq)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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box_boolean(bignum_equal_p(x,y));
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_add)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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2009-05-04 05:50:24 -04:00
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dpush(tag<bignum>(bignum_add(x,y)));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_subtract)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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2009-05-04 05:50:24 -04:00
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dpush(tag<bignum>(bignum_subtract(x,y)));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_multiply)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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2009-05-04 05:50:24 -04:00
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dpush(tag<bignum>(bignum_multiply(x,y)));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_divint)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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2009-05-04 05:50:24 -04:00
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dpush(tag<bignum>(bignum_quotient(x,y)));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_divmod)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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bignum *q, *r;
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2009-05-02 05:04:19 -04:00
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POP_BIGNUMS(x,y);
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bignum_divide(x,y,&q,&r);
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2009-05-04 05:50:24 -04:00
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dpush(tag<bignum>(q));
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dpush(tag<bignum>(r));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_mod)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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2009-05-04 05:50:24 -04:00
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dpush(tag<bignum>(bignum_remainder(x,y)));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_and)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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2009-05-04 05:50:24 -04:00
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dpush(tag<bignum>(bignum_bitwise_and(x,y)));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_or)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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2009-05-04 05:50:24 -04:00
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dpush(tag<bignum>(bignum_bitwise_ior(x,y)));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_xor)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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2009-05-04 05:50:24 -04:00
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dpush(tag<bignum>(bignum_bitwise_xor(x,y)));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_shift)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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fixnum y = untag_fixnum(dpop());
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bignum* x = untag<bignum>(dpop());
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dpush(tag<bignum>(bignum_arithmetic_shift(x,y)));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_less)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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box_boolean(bignum_compare(x,y) == bignum_comparison_less);
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_lesseq)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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box_boolean(bignum_compare(x,y) != bignum_comparison_greater);
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_greater)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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box_boolean(bignum_compare(x,y) == bignum_comparison_greater);
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_greatereq)
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2009-05-02 05:04:19 -04:00
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{
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POP_BIGNUMS(x,y);
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box_boolean(bignum_compare(x,y) != bignum_comparison_less);
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_not)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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drepl(tag<bignum>(bignum_bitwise_not(untag<bignum>(dpeek()))));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_bitp)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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fixnum bit = to_fixnum(dpop());
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bignum *x = untag<bignum>(dpop());
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2009-05-02 05:04:19 -04:00
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box_boolean(bignum_logbitp(bit,x));
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_log2)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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drepl(tag<bignum>(bignum_integer_length(untag<bignum>(dpeek()))));
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2009-05-02 05:04:19 -04:00
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}
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unsigned int bignum_producer(unsigned int digit)
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{
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unsigned char *ptr = (unsigned char *)alien_offset(dpeek());
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return *(ptr + digit);
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(byte_array_to_bignum)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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cell n_digits = array_capacity(untag_check<byte_array>(dpeek()));
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bignum * result = digit_stream_to_bignum(n_digits,bignum_producer,0x100,0);
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drepl(tag<bignum>(result));
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2009-05-02 05:04:19 -04:00
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}
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2009-05-05 12:33:35 -04:00
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cell unbox_array_size()
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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switch(tagged<object>(dpeek()).type())
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2009-05-02 05:04:19 -04:00
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{
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case FIXNUM_TYPE:
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{
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2009-05-04 05:50:24 -04:00
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fixnum n = untag_fixnum(dpeek());
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if(n >= 0 && n < (fixnum)ARRAY_SIZE_MAX)
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2009-05-02 05:04:19 -04:00
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{
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dpop();
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return n;
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}
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break;
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}
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case BIGNUM_TYPE:
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{
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2009-05-04 05:50:24 -04:00
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bignum * zero = untag<bignum>(bignum_zero);
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bignum * max = cell_to_bignum(ARRAY_SIZE_MAX);
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bignum * n = untag<bignum>(dpeek());
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2009-05-02 05:04:19 -04:00
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if(bignum_compare(n,zero) != bignum_comparison_less
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&& bignum_compare(n,max) == bignum_comparison_less)
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{
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dpop();
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return bignum_to_cell(n);
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}
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break;
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}
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}
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general_error(ERROR_ARRAY_SIZE,dpop(),tag_fixnum(ARRAY_SIZE_MAX),NULL);
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return 0; /* can't happen */
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(fixnum_to_float)
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2009-05-02 05:04:19 -04:00
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{
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drepl(allot_float(fixnum_to_float(dpeek())));
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(bignum_to_float)
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2009-05-02 05:04:19 -04:00
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{
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drepl(allot_float(bignum_to_float(dpeek())));
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(str_to_float)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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byte_array *bytes = untag_check<byte_array>(dpeek());
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cell capacity = array_capacity(bytes);
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2009-05-02 14:45:38 -04:00
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char *c_str = (char *)(bytes + 1);
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char *end = c_str;
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double f = strtod(c_str,&end);
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if(end == c_str + capacity - 1)
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2009-05-02 05:04:19 -04:00
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drepl(allot_float(f));
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2009-05-02 14:45:38 -04:00
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else
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drepl(F);
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2009-05-02 05:04:19 -04:00
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}
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2009-05-04 02:00:30 -04:00
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PRIMITIVE(float_to_str)
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2009-05-02 05:04:19 -04:00
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{
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2009-05-04 05:50:24 -04:00
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byte_array *array = allot_byte_array(33);
|
2009-05-02 21:47:29 -04:00
|
|
|
snprintf((char *)(array + 1),32,"%.16g",untag_float_check(dpop()));
|
2009-05-04 05:50:24 -04:00
|
|
|
dpush(tag<byte_array>(array));
|
2009-05-02 05:04:19 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
#define POP_FLOATS(x,y) \
|
2009-05-02 21:47:29 -04:00
|
|
|
double y = untag_float(dpop()); \
|
|
|
|
double x = untag_float(dpop());
|
2009-05-02 05:04:19 -04:00
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(float_eq)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
POP_FLOATS(x,y);
|
|
|
|
box_boolean(x == y);
|
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(float_add)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
POP_FLOATS(x,y);
|
|
|
|
box_double(x + y);
|
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(float_subtract)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
POP_FLOATS(x,y);
|
|
|
|
box_double(x - y);
|
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(float_multiply)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
POP_FLOATS(x,y);
|
|
|
|
box_double(x * y);
|
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(float_divfloat)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
POP_FLOATS(x,y);
|
|
|
|
box_double(x / y);
|
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(float_mod)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
POP_FLOATS(x,y);
|
|
|
|
box_double(fmod(x,y));
|
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(float_less)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
POP_FLOATS(x,y);
|
|
|
|
box_boolean(x < y);
|
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(float_lesseq)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
POP_FLOATS(x,y);
|
|
|
|
box_boolean(x <= y);
|
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(float_greater)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
POP_FLOATS(x,y);
|
|
|
|
box_boolean(x > y);
|
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(float_greatereq)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
POP_FLOATS(x,y);
|
|
|
|
box_boolean(x >= y);
|
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(float_bits)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
2009-05-02 21:47:29 -04:00
|
|
|
box_unsigned_4(float_bits(untag_float_check(dpop())));
|
2009-05-02 05:04:19 -04:00
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(bits_float)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
box_float(bits_float(to_cell(dpop())));
|
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(double_bits)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
2009-05-02 21:47:29 -04:00
|
|
|
box_unsigned_8(double_bits(untag_float_check(dpop())));
|
2009-05-02 05:04:19 -04:00
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
PRIMITIVE(bits_double)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
box_double(bits_double(to_unsigned_8(dpop())));
|
|
|
|
}
|
|
|
|
|
2009-05-04 05:50:24 -04:00
|
|
|
VM_C_API fixnum to_fixnum(cell tagged)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
2009-05-04 02:00:30 -04:00
|
|
|
switch(TAG(tagged))
|
|
|
|
{
|
|
|
|
case FIXNUM_TYPE:
|
|
|
|
return untag_fixnum(tagged);
|
|
|
|
case BIGNUM_TYPE:
|
2009-05-04 05:50:24 -04:00
|
|
|
return bignum_to_fixnum(untag<bignum>(tagged));
|
2009-05-04 02:00:30 -04:00
|
|
|
default:
|
|
|
|
type_error(FIXNUM_TYPE,tagged);
|
|
|
|
return -1; /* can't happen */
|
|
|
|
}
|
2009-05-02 05:04:19 -04:00
|
|
|
}
|
|
|
|
|
2009-05-04 05:50:24 -04:00
|
|
|
VM_C_API cell to_cell(cell tagged)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
2009-05-04 05:50:24 -04:00
|
|
|
return (cell)to_fixnum(tagged);
|
2009-05-04 02:00:30 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
VM_C_API void box_signed_1(s8 n)
|
|
|
|
{
|
|
|
|
dpush(tag_fixnum(n));
|
|
|
|
}
|
|
|
|
|
|
|
|
VM_C_API void box_unsigned_1(u8 n)
|
|
|
|
{
|
|
|
|
dpush(tag_fixnum(n));
|
|
|
|
}
|
|
|
|
|
|
|
|
VM_C_API void box_signed_2(s16 n)
|
|
|
|
{
|
|
|
|
dpush(tag_fixnum(n));
|
2009-05-02 05:04:19 -04:00
|
|
|
}
|
|
|
|
|
2009-05-04 02:00:30 -04:00
|
|
|
VM_C_API void box_unsigned_2(u16 n)
|
|
|
|
{
|
|
|
|
dpush(tag_fixnum(n));
|
|
|
|
}
|
|
|
|
|
|
|
|
VM_C_API void box_signed_4(s32 n)
|
|
|
|
{
|
|
|
|
dpush(allot_integer(n));
|
|
|
|
}
|
|
|
|
|
|
|
|
VM_C_API void box_unsigned_4(u32 n)
|
|
|
|
{
|
|
|
|
dpush(allot_cell(n));
|
|
|
|
}
|
|
|
|
|
2009-05-04 05:50:24 -04:00
|
|
|
VM_C_API void box_signed_cell(fixnum integer)
|
2009-05-04 02:00:30 -04:00
|
|
|
{
|
|
|
|
dpush(allot_integer(integer));
|
|
|
|
}
|
|
|
|
|
2009-05-04 05:50:24 -04:00
|
|
|
VM_C_API void box_unsigned_cell(cell cell)
|
2009-05-04 02:00:30 -04:00
|
|
|
{
|
|
|
|
dpush(allot_cell(cell));
|
|
|
|
}
|
|
|
|
|
|
|
|
VM_C_API void box_signed_8(s64 n)
|
|
|
|
{
|
|
|
|
if(n < FIXNUM_MIN || n > FIXNUM_MAX)
|
2009-05-04 05:50:24 -04:00
|
|
|
dpush(tag<bignum>(long_long_to_bignum(n)));
|
2009-05-04 02:00:30 -04:00
|
|
|
else
|
|
|
|
dpush(tag_fixnum(n));
|
|
|
|
}
|
|
|
|
|
2009-05-04 05:50:24 -04:00
|
|
|
VM_C_API s64 to_signed_8(cell obj)
|
2009-05-04 02:00:30 -04:00
|
|
|
{
|
2009-05-04 05:50:24 -04:00
|
|
|
switch(tagged<object>(obj).type())
|
2009-05-04 02:00:30 -04:00
|
|
|
{
|
|
|
|
case FIXNUM_TYPE:
|
|
|
|
return untag_fixnum(obj);
|
|
|
|
case BIGNUM_TYPE:
|
2009-05-04 05:50:24 -04:00
|
|
|
return bignum_to_long_long(untag<bignum>(obj));
|
2009-05-04 02:00:30 -04:00
|
|
|
default:
|
|
|
|
type_error(BIGNUM_TYPE,obj);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
VM_C_API void box_unsigned_8(u64 n)
|
|
|
|
{
|
|
|
|
if(n > FIXNUM_MAX)
|
2009-05-04 05:50:24 -04:00
|
|
|
dpush(tag<bignum>(ulong_long_to_bignum(n)));
|
2009-05-04 02:00:30 -04:00
|
|
|
else
|
|
|
|
dpush(tag_fixnum(n));
|
|
|
|
}
|
|
|
|
|
2009-05-04 05:50:24 -04:00
|
|
|
VM_C_API u64 to_unsigned_8(cell obj)
|
2009-05-04 02:00:30 -04:00
|
|
|
{
|
2009-05-04 05:50:24 -04:00
|
|
|
switch(tagged<object>(obj).type())
|
2009-05-04 02:00:30 -04:00
|
|
|
{
|
|
|
|
case FIXNUM_TYPE:
|
|
|
|
return untag_fixnum(obj);
|
|
|
|
case BIGNUM_TYPE:
|
2009-05-04 05:50:24 -04:00
|
|
|
return bignum_to_ulong_long(untag<bignum>(obj));
|
2009-05-04 02:00:30 -04:00
|
|
|
default:
|
|
|
|
type_error(BIGNUM_TYPE,obj);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
VM_C_API void box_float(float flo)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
dpush(allot_float(flo));
|
|
|
|
}
|
|
|
|
|
2009-05-04 05:50:24 -04:00
|
|
|
VM_C_API float to_float(cell value)
|
2009-05-04 02:00:30 -04:00
|
|
|
{
|
|
|
|
return untag_float_check(value);
|
|
|
|
}
|
|
|
|
|
|
|
|
VM_C_API void box_double(double flo)
|
2009-05-02 05:04:19 -04:00
|
|
|
{
|
|
|
|
dpush(allot_float(flo));
|
|
|
|
}
|
2009-05-04 02:00:30 -04:00
|
|
|
|
2009-05-04 05:50:24 -04:00
|
|
|
VM_C_API double to_double(cell value)
|
2009-05-04 02:00:30 -04:00
|
|
|
{
|
|
|
|
return untag_float_check(value);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* The fixnum+, fixnum- and fixnum* primitives are defined in cpu_*.S. On
|
|
|
|
overflow, they call these functions. */
|
2009-05-04 05:50:24 -04:00
|
|
|
VM_ASM_API void overflow_fixnum_add(fixnum x, fixnum y)
|
2009-05-04 02:00:30 -04:00
|
|
|
{
|
2009-05-04 05:50:24 -04:00
|
|
|
drepl(tag<bignum>(fixnum_to_bignum(
|
2009-05-04 02:00:30 -04:00
|
|
|
untag_fixnum(x) + untag_fixnum(y))));
|
|
|
|
}
|
|
|
|
|
2009-05-04 05:50:24 -04:00
|
|
|
VM_ASM_API void overflow_fixnum_subtract(fixnum x, fixnum y)
|
2009-05-04 02:00:30 -04:00
|
|
|
{
|
2009-05-04 05:50:24 -04:00
|
|
|
drepl(tag<bignum>(fixnum_to_bignum(
|
2009-05-04 02:00:30 -04:00
|
|
|
untag_fixnum(x) - untag_fixnum(y))));
|
|
|
|
}
|
|
|
|
|
2009-05-04 05:50:24 -04:00
|
|
|
VM_ASM_API void overflow_fixnum_multiply(fixnum x, fixnum y)
|
2009-05-04 02:00:30 -04:00
|
|
|
{
|
2009-05-04 05:50:24 -04:00
|
|
|
bignum *bx = fixnum_to_bignum(x);
|
2009-05-04 02:00:30 -04:00
|
|
|
GC_BIGNUM(bx);
|
2009-05-04 05:50:24 -04:00
|
|
|
bignum *by = fixnum_to_bignum(y);
|
2009-05-04 02:00:30 -04:00
|
|
|
GC_BIGNUM(by);
|
2009-05-04 05:50:24 -04:00
|
|
|
drepl(tag<bignum>(bignum_multiply(bx,by)));
|
2009-05-04 02:00:30 -04:00
|
|
|
}
|
2009-05-04 02:46:13 -04:00
|
|
|
|
|
|
|
}
|